COMP: CMake 1.X does not support INCLUDE(module).

Rendering/CMakeLists.txt

@@ -243,7 +243,7 @@ ELSE (WIN32)
   IF (APPLE)
     SET(VTK_USE_APPLE_LOADER 1)
   ELSE (APPLE)
-    INCLUDE(CheckFunctionExists)
+    INCLUDE(${CMAKE_ROOT}/Modules/CheckFunctionExists.cmake)
     SET(VTK_SAVE_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
     SET(CMAKE_REQUIRED_LIBRARIES "${OPENGL_LIBRARIES};${CMAKE_REQUIRED_LIBRARIES}")
     CHECK_FUNCTION_EXISTS(glXGetProcAddressARB VTK_USE_GLX_GET_PROC_ADDRESS_ARB)